<template>
    <div>
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" class="input-with-select" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="3">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>
            <el-table :data="userlist" stripe>
                <el-table-column type="index" label="编号"></el-table-column>
                <el-table-column label="姓名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="电话" prop="mobile"></el-table-column>
                <el-table-column label="角色" prop="role_name"></el-table-column>
                <el-table-column label="状态">
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作">
                    <template slot-scope="scope">
                        <el-tooltip effect="dark" content="修改信息" placement="top-start" :enterable="false">
                            <el-button type="primary" icon="el-icon-edit" circle @click="showEditDialog(scope.row.id)"></el-button>
                        </el-tooltip>
                        <el-tooltip effect="dark" content="删除用户" placement="top-start" :enterable="false">
                            <el-button type="danger" icon="el-icon-delete" circle @click="removeUser(scope.row.id)"></el-button>
                        </el-tooltip>
                        <el-tooltip effect="dark" content="分配角色" placement="top-start" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" circle @click="setRole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[1, 2, 5, 10]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total">
            </el-pagination>
        </el-card>
        <el-dialog
            title="添加用户"
            :visible.sync="addDialogVisible"
            width="50%"
            @close="addDialogClosed">
            <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>
        <el-dialog title="修改信息" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            <el-form ref="editFormRef" :model="editForm" :rules="editFormRules" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="电话" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
              <el-button @click="editDialogVisible = false">取消</el-button>
              <el-button type="primary" @click="editUser">确 定</el-button>
            </span>
        </el-dialog>
        <el-dialog
            title="分配角色"
            :visible.sync="setRoleDialogVisible"
            width="50%" @close="setRoleDialogClosed">
            <div>
                <p>当前用户：{{userInfo.username}}</p>
                <p>当前角色：{{userInfo.role_name}}</p>
                <p>分配新角色：
                    <el-select v-model="selectRoleId" placeholder="请分配角色">
                        <el-option
                            v-for="item in rolesList"
                            :key="item.id"
                            :label="item.roleName"
                            :value="item.id">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    data () {
        var checkEmail = (rule, value, callback) => {
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
            if (regEmail.test(value)) {
                return callback()
            }
            callback(new Error('请输入正确的邮箱地址！'))
        }

        var checkMobile = (rule, value, callback) => {
            const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
            if (regMobile.test(value)) {
                return callback()
            }
            callback(new Error('请输入正确的电话号码！'))
        }

        return {
            queryInfo: {
                query: '',
                pagenum: 1,
                pagesize: 2
            },
            userlist: [],
            total: 0,
            addDialogVisible: false,
            addForm: {
                username: '',
                password: '',
                email: '',
                mobile: ''
            },
            addFormRules: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    { min: 3, max: 10, message: '用户名长度在3~10位之间！', trigger: 'blur' }
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    { min: 6, max: 15, message: '用户名长度在6~15位之间！', trigger: 'blur' }
                ],
                email: [
                    { required: true, message: '请输入邮箱地址', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入电话号码', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            editDialogVisible: false,
            editForm: {},
            editFormRules: {
                email: [
                    { required: true, message: '请输入正确的邮箱地址！', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入正确的电话号码！', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            setRoleDialogVisible: false,
            userInfo: {},
            rolesList: [],
            selectRoleId: ''
        }
    },
    created () {
        this.getUserList()
    },
    methods: {
        async getUserList () {
            const { data: res } = await this.$http.get('users', { params: this.queryInfo })
            if (res.meta.status !== 200) return this.$message.error('获取用户列表失败！')
            this.userlist = res.data.users
            this.total = res.data.total
        },
        handleSizeChange (newSize) {
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        handleCurrentChange (newPage) {
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        async userStateChanged (userinfo) {
            const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
            if (res.meta.status !== 200) {
                userinfo.mg_state = !userinfo.mg_state
                return this.$message.error('用户状态更新失败！')
            }
            this.$message.success('用户状态更新成功！')
        },
        addDialogClosed () {
            this.$refs.addFormRef.resetFields()
        },
        addUser () {
            this.$refs.addFormRef.validate(async valid => {
                if (!valid) return
                const { data: res } = await this.$http.post('users', this.addForm)
                if (res.meta.status !== 201) {
                    this.$message.error('添加用户失败！')
                }
                this.$message.success('添加用户成功！')
                this.addDialogVisible = false
                this.getUserList()
            })
        },
        async showEditDialog (id) {
            this.editDialogVisible = true
            const { data: res } = await this.$http.get('users/' + id)
            if (res.meta.status !== 200) return this.$message.error('用户信息查询失败！')
            this.editForm = res.data
        },
        editDialogClosed () {
            this.$refs.editFormRef.resetFields()
        },
        editUser () {
            this.$refs.editFormRef.validate(async valid => {
                if (!valid) return
                const { data: res } = await this.$http.put('users/' + this.editForm.id, {
                    email: this.editForm.email,
                    mobile: this.editForm.mobile
                })
                if (res.meta.status !== 200) return this.$message.error('更新用户信息失败！')
                this.editDialogVisible = false
                this.getUserList()
                this.$message.success('更新用户信息成功！')
            })
        },
        async removeUser (id) {
            const removeResult = await this.$confirm('是否确认删除该用户？', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
            }).catch(err => err)
            if (removeResult !== 'confirm') return this.$message.info('取消了删除操作。')
            const { data: res } = await this.$http.delete('users/' + id)
            if (res.meta.status !== 200) return this.$message.error('删除用户失败')
            this.$message.success('删除成功！')
            this.getUserList()
        },
        async setRole (userInfo) {
            this.userInfo = userInfo
            const { data: res } = await this.$http.get('roles')
            if (res.meta.status !== 200) return this.$message.error('角色列表获取失败')
            this.rolesList = res.data
            this.setRoleDialogVisible = true
        },
        async saveRoleInfo () {
            if (!this.selectRoleId) return this.$message.error('请分配角色！')
            const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectRoleId })
            if (res.meta.status !== 200) return this.$message.error('用户角色更新失败！')
            this.$message.success('用户角色更新成功！')
            this.getUserList()
            this.setRoleDialogVisible = false
        },
        setRoleDialogClosed () {
            this.userInfo = {}
            this.selectRoleId = ''
        }
    }
}
</script>

<style lang="less" scoped>

</style>
